The upper 3/4th portion of a vertical pole subtends an angle at a point in the horizontal plane through its foot and at a distance 40 m from the foot. A possible height of the vertical pole is
40 m
60 m
80 m
20 m
As we learnt in
Height and Distances -
The height or length of an object or the distance between two distant objects can be determined with the help of trigonometric ratios.
-
Now
In -----(ii)
Similarly,
using (i) & (ii)
solving,
Option 1)
40 m
This is correct option
Option 2)
60 m
This is incorrect option
Option 3)
80 m
This is incorrect option
Option 4)
20 m
This is incorrect option
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